Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
A shift in the average high-temperature is noticeable in May, changing from an enjoyable 60.8°F (16°C) in April to an agreeable 70.3°F (21.3°C). Nighttime temperature in Lewistown lowers to an average of 53.8°F (12.1°C) in May.Humidity
In May, the average relative humidity is 78%.Rainfall
In Lewistown, in May, it is raining for 17 days, with typically 2.76" (70mm) of accumulated precipitation. In Lewistown, New Jersey, during the entire year, the rain falls for 156.9 days and collects up to 32.99" (838mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Lewistown aggregates 0.2" (5mm) of snow. Throughout the year, there are 19.6 snowfall days, and 10.63" (270mm) of snow is accumulated.Daylight
In Lewistown, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Guard oneself from overexposure. Defence against sun injury is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in Lewistown in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Lewistown have in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Lewistown, NJ
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Lewistown, NJ
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Lewistown, NJ
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Lewistown, NJ
- Average humidity in May: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Lewistown, NJ
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Lewistown, NJ
- Average rainfall days in May: 17 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Lewistown, NJ
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lewistown, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lewistown, NJ
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Lewistown, NJ
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in May
Lewistown, NJ
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Lewistown, NJ
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Lewistown, NJ
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Lewistown, New Jersey, USA
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